Home / 105,812.34-146,015.21-58,061.93

Finding the Fourth Proportional to 105,812.34, 146,015.21 and 58,061.93

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Solution

The fourth proportional to 105,812.34, 146,015.21 and 58,061.93 is: 80,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,812.34 : 146,015.21 = 58,061.93 : x
  2. Step 2: Convert to fraction form
    105,812.34/146,015.21 = 58,061.93/x
  3. Step 3: Cross multiply
    105,812.34x = 146,015.21 × 58,061.93
  4. Step 4: Simplify right side
    105,812.34x = 8,477,923,881.57
  5. Step 5: Solve for x
    x = 8,477,923,881.57/105,812.34
  6. Step 6: Final answer
    x = 80,122.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.